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A signal m(t) band-limited to a maximum frequency of 20 kHz...

This question belongs to Electronics And Communications Engineering Communication Systems
Communication Systems
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A signal m(t), band-limited to a maximum frequency of 20 kHz is sampled at a frequency fs kHz to generate s(t). An ideal low pass filter having cut-off frequency 37 kHz is used to reconstruct m(t) from s(t). The minimum of fs required to reconstruct m(t) without distortion is

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Correct Answer: Option C
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